// Copyright (c) 2021 CINN Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once
#include "paddle/cinn/ir/ir.h"

/** simplify expressions with vars' div and mod.
 *
 * For example, input the code
 * \code
 * ((i_j_k_fused / 3) * 144) + (48 * (i_j_k_fused % 3))
 * \endcode
 *
 * with the `i_j_k_fused` set as var will be simplified to i_j_k_fused
 *
 */
namespace cinn::optim {

void VarModSimplify(Expr* e);

}  // namespace cinn::optim
